These, and many other related questions have continued to rise in the minds of meditation practitioners of Chan, Sôn and Zen Buddhism since the earliest stages in the development of these traditions, and it is in response to such questions that the Sutra of Perfect Enlightenment (Chinese: Yuanjue jing ) was composed. In addition to detailed guidance on the undertaking of Chan contemplation, the sutra offers concise discussions of the fundamental philosophical grounds which underlie such practices, in the form of question and answer sessions between the Buddha and twelve prominent bodhisattvas. While long a popular text throughout the East Asian meditative tradition, the Sutra of Perfect Enlightenment attained to a special canonical status in the Korean Chogye school where it was favored by such luminaries as Chinul, T'aego and Hyujông, and where it is used down to the present day as a basic text for monastic instruction. The..